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   "cell_type": "markdown",
   "id": "e12db6be",
   "metadata": {},
   "source": [
    "---\n",
    "* 时间:2002/10/17 week09\n",
    "* 记录人：马梓杰\n",
    "---"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8a2383ad",
   "metadata": {},
   "source": [
    "# 本周知识点\n",
    "> 1. 用户输入\n",
    "\n",
    "> 2. 文本格式化（指输出）"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "bfc0b518",
   "metadata": {},
   "source": [
    "## 1. 用户输入\n",
    "\n",
    "* input方法"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "4f6cb0fb",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：admin\n",
      "密码123456\n"
     ]
    }
   ],
   "source": [
    "# 用户登陆系统\n",
    "usename = input(\"账号：\")\n",
    "password = input(\"密码\") "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "11ac5f25",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "admin\n",
      "123456\n"
     ]
    }
   ],
   "source": [
    "print(usename)\n",
    "print(password)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "e0e82aba",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：1231\n",
      "密码：12321\n",
      "账号或密码错误，请重试\n"
     ]
    }
   ],
   "source": [
    "# 用户登陆系统 迭代1\n",
    "user01= \"admin\"\n",
    "password01 = \"123456\"\n",
    "\n",
    "username = input(\"账号：\")\n",
    "password = input(\"密码：\") \n",
    "\n",
    "if username == user01 :\n",
    "    if password == password01:\n",
    "        print(\"账号密码正确，欢迎user01\")\n",
    "    else:\n",
    "        print(\"账号或密码错误，请重试\")\n",
    "else:\n",
    "    print(\"账号或密码错误，请重试\")\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "efd036c3",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：admin\n",
      "密码：123456\n",
      "登陆成功~欢迎admin\n"
     ]
    }
   ],
   "source": [
    "# 用户登录系统 迭代2 循环！ 5分钟，加油~ for + range()  10点35分 \n",
    "\n",
    "user01 = \"admin\"\n",
    "password01 = \"123456\"\n",
    "\n",
    "for i in range(3,0,-1):\n",
    "    username = input(\"账号：\")\n",
    "    password = input(\"密码：\")\n",
    "    # 情景一：账号密码都正确\n",
    "    if user01 == username and  password01 == password:\n",
    "        print(\"登陆成功~欢迎\"+user01)\n",
    "        break # 中止循环\n",
    "    # 情景二：账号不存在或密码不正确，用户可以输入三次，三次之后1小时之后再来尝试\n",
    "    else:\n",
    "        if i>1:\n",
    "            print(\"账号不存在或密码不正确！请重新输入！您还有\"+str(i-1)+\"次尝试的机会\")\n",
    "        else:\n",
    "            print(\"账号不存在或密码不正确！请1小时候再来尝试\")\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5e86e66a",
   "metadata": {},
   "source": [
    "## 2. 字符串的格式化输出\n",
    "\n",
    "> 1. 字符串的拼接\n",
    "> 2. 占位符\n",
    "> 3. 格式化输出的方法：format()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "b091307d",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：1\n",
      "地区：1\n",
      "工作：1\n",
      "年龄：1\n",
      "期待薪资：1\n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息）\n",
    "\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''--------INFO'''+ name + '''-------\n",
    "地区：'''+ region +'''\n",
    "工作：'''+ job + '''\n",
    "年龄：'''+ age +'''\n",
    "期待薪资：'''+ salary"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "5f7d95a6",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "--------INFO1-------\n",
      "地区：1\n",
      "工作：1\n",
      "年龄：1\n",
      "期待薪资：1\n"
     ]
    }
   ],
   "source": [
    "print(info)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "7ba1e9fa",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：1\n",
      "地区：1\n",
      "工作：1\n",
      "年龄：1\n",
      "期待薪资：1\n",
      "---------INFO 1 --------\n",
      "地区：1 \n",
      "工作：1 \n",
      "年龄：1\n",
      "薪资期待：1 \n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息） : 占位符 s%\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''---------INFO %s --------\n",
    "地区：%s \n",
    "工作：%s \n",
    "年龄：%s\n",
    "薪资期待：%s '''%(name,region,job,age,salary)\n",
    "print(info)\n",
    "# 局限性：有序，个数确定，不能乱写"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "63f7494c",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：1\n",
      "地区：1\n",
      "工作：1\n",
      "年龄：1\n",
      "期待薪资：1\n",
      "---------INFO 1 --------\n",
      "地区：1\n",
      "工作：1 \n",
      "年龄：1\n",
      "薪资期待：1 \n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息） : format()\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''---------INFO {昵称} --------\n",
    "地区：{地区}\n",
    "工作：{工作职位} \n",
    "年龄：{年龄}\n",
    "薪资期待：{薪资} '''.format(工作职位=job,薪资=salary,昵称=name,年龄=age,地区=region)\n",
    "print(info)\n",
    "# 书写规范，字符串中的 字段 一一对应，不考虑其顺序"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "77d230ec",
   "metadata": {},
   "source": [
    "## 课后作业： \n",
    "> 1. 第二章P93 前所有项目练习（下周讲）\n",
    "> 2. 购物车项目\n",
    ">> 要求：\n",
    ">> 1. 运行程序后，让用户输入支付宝余额，然后打印我们的商品列表给用户。\n",
    ">> 2. 让用户输入商品编号进行商品的购买。\n",
    ">> 3. 用户选择商品后，检查用户的余额是否够，若够则直接扣款，不够则提醒用户。\n",
    ">> 4. 用户可以随时退出购买，推出时打印用户已购买的商品和支付宝余额。\n",
    "\n",
    "* 温馨提示：网上有很多购物车项目(但由于很多人为了\"炫技\"，99%以上我们可能阅读不了~)## 课后作业：\n",
    "> 1. 第二章p93 前所有项目练习（下周讲）\n",
    "\n",
    "> 2.购物车项目 "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d2a8a74e",
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9ad3a77d",
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "4d751b6c",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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